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-rw-r--r--src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp69
1 files changed, 38 insertions, 31 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
index 7cb4fe9..86a8f0a 100644
--- a/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/runtime/Arguments.cpp
@@ -1,7 +1,7 @@
/*
* Copyright (C) 1999-2002 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
- * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
* Copyright (C) 2007 Cameron Zwarich (cwzwarich@uwaterloo.ca)
* Copyright (C) 2007 Maks Orlovich
*
@@ -43,30 +43,22 @@ Arguments::~Arguments()
delete [] d->extraArguments;
}
-void Arguments::mark()
+void Arguments::markChildren(MarkStack& markStack)
{
- JSObject::mark();
+ JSObject::markChildren(markStack);
- if (d->registerArray) {
- for (unsigned i = 0; i < d->numParameters; ++i) {
- if (!d->registerArray[i].marked())
- d->registerArray[i].mark();
- }
- }
+ if (d->registerArray)
+ markStack.appendValues(reinterpret_cast<JSValue*>(d->registerArray.get()), d->numParameters);
if (d->extraArguments) {
unsigned numExtraArguments = d->numArguments - d->numParameters;
- for (unsigned i = 0; i < numExtraArguments; ++i) {
- if (!d->extraArguments[i].marked())
- d->extraArguments[i].mark();
- }
+ markStack.appendValues(reinterpret_cast<JSValue*>(d->extraArguments), numExtraArguments);
}
- if (!d->callee->marked())
- d->callee->mark();
+ markStack.append(d->callee);
- if (d->activation && !d->activation->marked())
- d->activation->mark();
+ if (d->activation)
+ markStack.append(d->activation);
}
void Arguments::copyToRegisters(ExecState* exec, Register* buffer, uint32_t maxSize)
@@ -187,6 +179,31 @@ bool Arguments::getOwnPropertySlot(ExecState* exec, const Identifier& propertyNa
return JSObject::getOwnPropertySlot(exec, propertyName, slot);
}
+bool Arguments::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+ bool isArrayIndex;
+ unsigned i = propertyName.toArrayIndex(&isArrayIndex);
+ if (isArrayIndex && i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
+ if (i < d->numParameters) {
+ descriptor.setDescriptor(d->registers[d->firstParameterIndex + i].jsValue(), DontEnum);
+ } else
+ descriptor.setDescriptor(d->extraArguments[i - d->numParameters].jsValue(), DontEnum);
+ return true;
+ }
+
+ if (propertyName == exec->propertyNames().length && LIKELY(!d->overrodeLength)) {
+ descriptor.setDescriptor(jsNumber(exec, d->numArguments), DontEnum);
+ return true;
+ }
+
+ if (propertyName == exec->propertyNames().callee && LIKELY(!d->overrodeCallee)) {
+ descriptor.setDescriptor(d->callee, DontEnum);
+ return true;
+ }
+
+ return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
+}
+
void Arguments::put(ExecState* exec, unsigned i, JSValue value, PutPropertySlot& slot)
{
if (i < d->numArguments && (!d->deletedArguments || !d->deletedArguments[i])) {
@@ -227,7 +244,7 @@ void Arguments::put(ExecState* exec, const Identifier& propertyName, JSValue val
JSObject::put(exec, propertyName, value, slot);
}
-bool Arguments::deleteProperty(ExecState* exec, unsigned i, bool checkDontDelete)
+bool Arguments::deleteProperty(ExecState* exec, unsigned i)
{
if (i < d->numArguments) {
if (!d->deletedArguments) {
@@ -240,10 +257,10 @@ bool Arguments::deleteProperty(ExecState* exec, unsigned i, bool checkDontDelete
}
}
- return JSObject::deleteProperty(exec, Identifier(exec, UString::from(i)), checkDontDelete);
+ return JSObject::deleteProperty(exec, Identifier(exec, UString::from(i)));
}
-bool Arguments::deleteProperty(ExecState* exec, const Identifier& propertyName, bool checkDontDelete)
+bool Arguments::deleteProperty(ExecState* exec, const Identifier& propertyName)
{
bool isArrayIndex;
unsigned i = propertyName.toArrayIndex(&isArrayIndex);
@@ -268,17 +285,7 @@ bool Arguments::deleteProperty(ExecState* exec, const Identifier& propertyName,
return true;
}
- return JSObject::deleteProperty(exec, propertyName, checkDontDelete);
-}
-
-bool Arguments::getPropertyAttributes(ExecState* exec, const Identifier& propertyName, unsigned& attributes) const
-{
- if ((propertyName == exec->propertyNames().length)
- || (propertyName == exec->propertyNames().callee)) {
- attributes = DontEnum;
- return true;
- }
- return JSObject::getPropertyAttributes(exec, propertyName, attributes);
+ return JSObject::deleteProperty(exec, propertyName);
}
} // namespace JSC